Statements (14)
Predicate | Object |
---|---|
gptkbp:instanceOf |
geological formation
|
gptkbp:definedIn |
glacial deposits
|
gptkbp:followedBy |
gptkb:Illinoian_Stage
|
https://www.w3.org/2000/01/rdf-schema#label |
Pre-Illinoian Stage
|
gptkbp:location |
gptkb:Midwestern_United_States
|
gptkbp:partOf |
gptkb:Pleistocene_Epoch
|
gptkbp:period |
~2.6 million to 0.5 million years ago
|
gptkbp:precededBy |
Nebraskan Stage
|
gptkbp:replacedBy |
Nebraskan, Aftonian, Kansan, and Yarmouthian stages
|
gptkbp:represents |
multiple glaciations
|
gptkbp:significance |
earliest recognized glaciations in North America
|
gptkbp:usedIn |
North American stratigraphy
|
gptkbp:bfsParent |
gptkb:Nebraskan_glaciation
|
gptkbp:bfsLayer |
8
|